NOAA S-57 chart cell
Hudson River, Albany to Troy
US4NY1HR
- Usage band
- Approach · code 4
- Current edition
- 4.0
- Features
- 1,402
- S-57 layers
- 59
- Published
- Mar 15, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.90000° N
- South
- 42.60000° N
- West
- 73.80000° W
- East
- 73.50000° W
- Center
- 42.75000° N, 73.65000° W
- Bounds area
- 238 sq nm
- Feature density
- 5.8848 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 23.8
- Smallest layer
- 1
- Largest layer
- 234
- Area sq km
- 817
- Features per sq km
- 1.71573
- SLCONS Shoreline construction 234
- COALNE Coastline 196
- DEPARE Depth area 169
- DEPCNT Depth contour 166
- BRIDGE 64
- LNDARE Land area 56
- LNDRGN Land region 54
- RIVERS River 51
- CBLOHD 41
- M_QUAL Data quality 38
- BUISGL 29
- OBSTRN Obstruction 29
- GATCON 20
- DAMCON 19
- LAKARE 18
- PILPNT 18
- SEAARE Sea area 18
- BUAARE 16
- WEDKLP 13
- UWTROC Underwater rock 11
Nearby Chart Cells
Approach usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US4NY1HR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4NY1HR/4.0/US4NY1HR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NY1HR/4.0/US4NY1HR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NY1HR/4.0/US4NY1HR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NY1HR/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | Mar 15, 2024 | metadata.json |